Home / 73,011.22-109,531.60-30,891.22

Finding the Fourth Proportional to 73,011.22, 109,531.60 and 30,891.22

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Solution

The fourth proportional to 73,011.22, 109,531.60 and 30,891.22 is: 46,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,011.22 : 109,531.60 = 30,891.22 : x
  2. Step 2: Convert to fraction form
    73,011.22/109,531.60 = 30,891.22/x
  3. Step 3: Cross multiply
    73,011.22x = 109,531.60 × 30,891.22
  4. Step 4: Simplify right side
    73,011.22x = 3,383,564,752.55
  5. Step 5: Solve for x
    x = 3,383,564,752.55/73,011.22
  6. Step 6: Final answer
    x = 46,343.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.